Lead, mercury and plutonium are these that have a tendency to accumulate in organisms.
A. radioactive metals
B. heavy metals
C. native metals
D. precious metals
Answer: B
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Which are important ways that magma can raise through the crust?
A. through fractures that can form dikes B. tectonic forces can help open pathways C. pieces of the wall rocks that break off and provide space D. magma is hotter and less dense than its surrounding E. All of these choices are correct.
When using the scientific method, scientific theories must be ____
A) ?tested and consistently supported by observations or experiments B) ??verified by the leading authorities in the field C) ?consistent with previous, universally accepted scientific concepts D) ?consistent with the fact that the ocean is of great age
Which of the following can be characterized as a strong electrolyte?
A) 0.001 M KOH B) 3.0 M NH3 C) both a. and b. D) neither a nor b
Which of the following is NOT true about our Solar System?
A) It is some 30,000 lightyears from Sagittarius A*, the black hole at the center of the Milky Way. B) It is located in the approximate center of the Milky Way Galaxy. C) It is embedded in the the Orion Spur of the Sagittarius Arm of the Milky Way Galaxy. D) It contains 8 planets and 4 dwarf planets.